Now, let's look at the types of systems. Exhaust-only. All right, let's get this one out of the way first. Using exhaust fans is great for local ventilation of bathrooms, kitchens, garages, and sub-slab areas (for radon control), but it's not a great strategy for whole-house ventilation. It does have some advantages: It's cheap.
When writing Common Sense, Paine wanted to show the common man why the United States should be independent of England. He also wanted to show these people that they had the resources needed to build a navy.
Common Sense gives us an invaluable glimpse into the religious views of Thomas Paine by 1776. He believed parts of the Bible not only as accurate historical record, but revelation of the Divine Will. Almost certainly Paine did not believe the entire Bible for he was skeptical of Christian beliefs even as a child.